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Use method and matters needing attention of medium frequency

Use method and matters needing attention of medium frequency pipe bender

Bend, first remove floating rust and dirt on the surface of the steel tube bending, will bend the pipe with the specifications of the pipe clamp is installed on the derrick, and adjust the chuck center to the required position, bending radius to be fixed, and then, adjust the position of the support roller turn arm shaft was bent pipe center to center distance is equal to the bending radius.Position the support roller so that the distance from the center line of the bent pipe to the center of the shaft of the rotary arm is equal to the bending radius.Adjust the height of the supporting roller and bracket, so that the center line of the elbow and the center of the chuck are in the same plane, and parallel to the rotary arm plane, the steel pipe into the heating ring.And clamped in the collet, adjust the heating ring, so that its inner side and the gap of the steel tube shell consistent.Turn on the IF unit heating, when the tube is heated to 950?1000℃ (orange), immediately start the motor to bend the pipe, at the same time open the cooling water valve, the local location of water cooling.When bending the pipe, if the temperature of the pipe is high, the speed of the rotary arm can be appropriately accelerated.On the contrary, the rotary speed of the rotary arm is slowed down so that the heating zone of the steel pipe always maintains the same temperature.When bending to the desired Angle, stop heating, stop the motor at the same time, and water to continue cooling, so that the elbow cooling to room temperature.Take out the elbow and check whether the bending Angle and quality meet the requirements.